Finding the Fourth Proportional to 135,812,554,297.79, 187,415,868,268.30 and 74,011,811,622.81
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Solution
The fourth proportional to 135,812,554,297.79, 187,415,868,268.30 and 74,011,811,622.81 is: 102,133,326,400.62
Step by Step Solution
- Step 1: Write the proportion equation
135,812,554,297.79 : 187,415,868,268.30 = 74,011,811,622.81 : x - Step 2: Convert to fraction form
135,812,554,297.79/187,415,868,268.30 = 74,011,811,622.81/x - Step 3: Cross multiply
135,812,554,297.79x = 187,415,868,268.30 × 74,011,811,622.81 - Step 4: Simplify right side
135,812,554,297.79x = 13,870,987,937,397,853,913,088 - Step 5: Solve for x
x = 13,870,987,937,397,853,913,088/135,812,554,297.79 - Step 6: Final answer
x = 102,133,326,400.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.